Home / 239,150.12-358,775.78-79,217.00

Finding the Fourth Proportional to 239,150.12, 358,775.78 and 79,217.00

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Solution

The fourth proportional to 239,150.12, 358,775.78 and 79,217.00 is: 118,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,150.12 : 358,775.78 = 79,217.00 : x
  2. Step 2: Convert to fraction form
    239,150.12/358,775.78 = 79,217.00/x
  3. Step 3: Cross multiply
    239,150.12x = 358,775.78 × 79,217.00
  4. Step 4: Simplify right side
    239,150.12x = 28,421,140,119.71
  5. Step 5: Solve for x
    x = 28,421,140,119.71/239,150.12
  6. Step 6: Final answer
    x = 118,842.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.